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  • iOS常用小控件集合

    //【UISlider】一个滑块控件,高度固定(31)-事件驱动型控件
    UISlider *sl = [[UISlider alloc] initWithFrame:CGRectMake(10,74,300,50)];
     //设置最大最小值
     sl.minimumValue = 0.0;
     sl.maximumValue = 100.0;
     //设置滑块当前指示的值
     sl.value = 50.0;
     //值是否连续变化
     sl.continuous = NO;
    
    //滑块的值
    @property(nonatomic) float value;
    //设置滑块的最小值(默认最小和最大分别是0.0和1.0)
    @property(nonatomic) float minimumValue;
    //设置滑块的最大值
    @property(nonatomic) float maximumValue; 
    //滑动时是否触发事件(默认是yes)
    @property(nonatomic,getter=isContinuous) BOOL continuous;
    - (void)addTarget:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents;
    //最后一个参数写UIControlEventValueChanged,监控滑动状态
    //滑动时触发,如果continuous设为no的话就滑动结束时触发,打印slider.value
    
    
    /**********************【UISegmentedControl】分段选取器************************/
        NSArray *titles = @[@"火影",@"海贼王"];
        UISegmentedControl *seg = [[UISegmentedControl alloc] initWithItems:titles];
        seg.frame = CGRectMake(10,150,300,30);
        //设置选中的分段
        seg.selectedSegmentIndex = 0;
        //插入新的分段
        [seg insertSegmentWithTitle:@"银魂" atIndex:1 animated:YES];
    //初始化传递进去的NSArray可以用字符串或图片
    - (id)initWithItems:(NSArray *)items;
    //设置frame
    //设置风格样式(ios7中被禁用了)
    @property(nonatomic) UISegmentedControlStyle segmentedControlStyle;
    //设置哪个分段处于选中状态,不设置此属性,任何分段都处于非选中状态
    @property(nonatomic) NSInteger selectedSegmentIndex;
    //插入和删除某个分段
    
    - (void)insertSegmentWithTitle:(NSString *)title atIndex:(NSUInteger)segment animated:(BOOL)animated;
    - (void)removeSegmentAtIndex:(NSUInteger)segment animated:(BOOL)animated;
    //删除所有分段,相当于把这个选取器给删了。。。
    - (void)removeAllSegments;
    - (void)addTarget:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents;
    //最后一个参数写UIControlEventValueChanged,监控点击状态
    //点击时触发
    //根据分段的下标,拿到分段的标题
    - (NSString *)titleForSegmentAtIndex:(NSUInteger)segment;
    
    /**********************【UISwitch】************************/
    //【UISwitch】//开关控件,事件驱动型控件,固定大小51*31,frame中设置大小无效
    //开关的打开状态
    UISwitch * st = [[UISwitch alloc] initWithFrame:CGRectMake(10, 74, 300, 50)];
    //on 控制开关开闭的属性
        st.on = YES;
      //UIControlEventValueChanged 控件值改变是,让id执行SEL
        [st addTarget:self action:@selector(stChanged:) forControlEvents:UIControlEventValueChanged];
    @property(nonatomic,getter=isOn) BOOL on;
    - (void)addTarget:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents;
    //最后一个参数写UIControlEventValueChanged
    //点击开关时触发
    
    
    /**********************【UIActivityIndicatorView】************************/
    //加载等待提示控件,初始化的时候,设定风格样式,(联网小菊花)
        UIActivityIndicatorView * indicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
        //center设置视图中心点的坐标(CGPoint),一般直接设置中心点为view的中心点
        indicatorView.center = self.view.center;
        indicatorView.tag = 300;
        
        //startAnimating 开始转动
    - (id)initWithActivityIndicatorStyle:(UIActivityIndicatorViewStyle)style;
    //UIActivityIndicatorViewStyleWhiteLarge,//控件的size固定
    
    //开始旋转和停止
    - (void)startAnimating;
    - (void)stopAnimating;
    //用switch控制activity 的旋转状态
    
    /**********************【UIStepper】步进器************************/
    //步进器 固定的size (94*27)修改无效, 事件驱动型控件
        UIStepper *st  = [[UIStepper alloc] initWithFrame:CGRectMake(10,74,300,30)];
        st.value = 10;
        //最值
        st.minimumValue = 10;
        st.maximumValue = 300;
        st.continuous = NO;
        //步长 + 一次增加的值
        st.stepValue  = 10;
        
    //步进器的值
    @property(nonatomic) double value;
    //最小和最大值(默认0到100)
    @property(nonatomic) double minimumValue;
    @property(nonatomic) double maximumValue;
    //设置步长 (默认值为1 必须>0)(加减的时候改变的值)
    @property(nonatomic) double stepValue;
    
    - (void)addTarget:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents;
    //最后一个参数写UIControlEventValueChanged
    //点击加减的时候触发
    
    
    /******************【UIProgressView】进度条,用于展示进度************************/
    //进度条,高度固定为2,设置无效
        UIProgressView *progress = [[UIProgressView alloc] initWithFrame:CGRectMake(10,150,300,20)];
        //反映进度 progress (0.0-1.0)
        progress.progress =0.5;
    //进度条的值 固定为0到1
    @property(nonatomic) float progress;
    
    //用stepper控制progress的进度
    
    /******************【UIWebView】网页视图************************/
    
    UIWebView *_webView = [[UIWebView alloc] initWithFrame:self.view.bounds];
    NSURL *url = [NSURL URLWithString:@"http://m.jd.com"];
    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    [_webView loadRequest:request];
    [self.view addSubview:_webView];
    [_webView release];
    
    
    /******************【UIAlertView】警示框   重要************************/
        UIAlertView *alert  = [[UIAlertView alloc] initWithTitle:@"温馨提示" message:@"流量用尽" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定",nil];
        //展示警告框
        [alert show];
    
    //代理
    <UIAlertViewDelegate>
    
    //代理方法
    - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{
        NSLog(@"buttonIndex:%d",buttonIndex);
    }
    
    
    
    
    /******************【UIActionSheet】 事件表格************************/
    
    //代理
    <UIActionSheetDelegate>
    
     UIActionSheet *ac = [[UIActionSheet alloc] initWithTitle:@"分享" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"新浪微博",@"腾讯微博",nil];
        //从当前视图中,呈现出来
        [ac showInView:self.view];
    [sheet showInView:self.view];
    [sheet release];
    
    //事件表代理方法
    - (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
        NSLog(@"sheet index:%d",buttonIndex);
    }
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  • 原文地址:https://www.cnblogs.com/liudongyan/p/4399334.html
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